Home / 2,880.03-3,970.74-1,883.73

Finding the Fourth Proportional to 2,880.03, 3,970.74 and 1,883.73

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Solution

The fourth proportional to 2,880.03, 3,970.74 and 1,883.73 is: 2,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.03 : 3,970.74 = 1,883.73 : x
  2. Step 2: Convert to fraction form
    2,880.03/3,970.74 = 1,883.73/x
  3. Step 3: Cross multiply
    2,880.03x = 3,970.74 × 1,883.73
  4. Step 4: Simplify right side
    2,880.03x = 7,479,802.06
  5. Step 5: Solve for x
    x = 7,479,802.06/2,880.03
  6. Step 6: Final answer
    x = 2,597.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.